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This part is listed by BMW as BMW part number 11517642402 (11 51 7 642 402) and is described as an o-ring for cooling hoses on N63TU2 and N63TU3 V8 engines. It measures 22mm OD by 3.5mm thickness.
O-rings should be replaced any time the hose is removed because they will shrink or harden over time and not re-seal very well, leading to leaks. A fresh o-ring helps ensure you don't have to do the job twice!
This is a Genuine BMW oring with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
$9.71
Cooling Hose O-Ring, 22x3.5mm, BMW - 11517642402
New OEM o-ring prevents coolant leaks at the water pump and other locations. OEM replacement for BMW part #11517642402.
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